Potassium Perchlorate from Mexico
Potassium perchlorate (KClO4) is a strong oxidizer used in pyrotechnics, fireworks, and airbag inflators. Classified under HTS 2829.90.61.00 as an 'other' perchlorate, it qualifies as a peroxysalt of inorganic bases per Chapter 28 notes. Its high stability makes it preferred over perchloric acid derivatives.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Obtain ATF permits if destined for explosives manufacture; declare end-use to avoid scrutiny
• Use DOT-approved packaging for Division 5.1 oxidizers (UN 1489); include flash-point and assay data